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https://issues.apache.org/jira/browse/SANDBOX-387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedikt Ritter updated SANDBOX-387:
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Attachment: SANDBOX-387.txt
Patch for this issue created and attached.
I implemented checking for simple properties and for indexed properties.
Because there is no MappedPropertyDescriptor present in the Java API I did not
know how to handle mapped properties. I added TODO markers for that to the
methods.
> [BeanUtils2] Implement possibility to find out if a property readable and/or
> wirtable
> -------------------------------------------------------------------------------------
>
> Key: SANDBOX-387
> URL: https://issues.apache.org/jira/browse/SANDBOX-387
> Project: Commons Sandbox
> Issue Type: Improvement
> Components: BeanUtils2
> Affects Versions: Nightly Builds
> Reporter: Benedikt Ritter
> Attachments: SANDBOX-387.txt
>
>
> Currently there is no possibility to find out, if a property is readable
> and/or writable.
> For example, one has to pass a value to
> {{setProperty(name).withValue(argument)}} and hope, that the property is
> writeable (because a {{NoSucheMethodExcpetion}} will be thrown, if it is
> not). For this reason it would be nice, if one could do something like:
> {code:java}
> if (on(myBean).isWritable("writeableProperty") {
> on(myBean).setProperty("writableProperty").withValue("This is a String
> value!");
> }
> {code}
> Solution:
> * Add {{public boolean isWritable(String propertyName)}} and {{public boolean
> isReadable(String propertyName)}} to {{BeanAccessor}}.
> * in {{isWritable()}} check if a {{PropertyDescriptor}} can be obtained from
> PropertyRegistry (if not, throw {{NoSuchMethodException}}).
> ** if so, return true, if {{propertyDescriptor.getWriteMethod() != null}} and
> false otherwise.
> * in {{isReadable()}} check if a {{PropertyDescriptor}} can be obtained from
> PropertyRegistry (if not, throw {{NoSuchMethodException}}).
> ** if so, return true, if {{propertyDescriptor.getReadMethod() != null}} and
> false otherwise.
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